Sponsored Research Project
Title: Profit and Cost Investigations of Retrial Queueing Models under Admission Control Policies
Scheme: Start-up Research Grant (SRG) [SRG/2023/001642]
Sponsoring Agency: Science and Engineering Research Board, Department of Science and Technology, Government of India
Principal Investigator: Dr. Sudeep Singh Sanga
Publications in SCI/SCIE Indexed Journal
[24] Machine Learning to Manage Retrial Queueing System M/G/1/N under F-policy with Discouraged Customers and Fuzzy Costs and its Implementation in Medical Centers, Journal of Computational and Applied Mathematics, Elsevier, 472, 116843, 2026. [Q-1] [ISSN: 1879-1778 (O), 0377-0427 (P)]
[23] Optimal Management of a Markov Queue with (Q, F)-policy Subject to Server Breakdown in the Banking Sector, International Journal of Ad Hoc and Ubiquitous Computing, 50, 35-45, 2025 [Q-3] [ISSN: 1743-8233 (O), 1743-8225 (P)]
[22] Cost Optimization, Reliability, and MTTF Analysis for Failed Excavators in Hydraulic Repair Center Using Queueing Theory, Swarm and Evolutionary Computation, Elsevier, 92, 101824, 2025. [Q-1][ISSN: 2210-6510 (O), 2210-6502 (L)]
[21] Sensitivity analysis and cost optimization for state-dependent M/G/1/K queue with retrial orbit and admission control F-policy, Journal of Industrial and Management Optimization, American Institute of Mathematical Sciences (AIMS), 21(4), 2529-2557, 2025. [Q-2] [doi: 10.3934/jimo.2024183][ISSN: 1553-166X (E), 1547-5816 (P)].
[20] Cost optimization and ANFIS computing for M/M/(R+c)/N queue under admission control policy and server breakdown, Simulation Modelling Practice and Theory, Elsevier, 138, 103037 2025. [Q-1] [ISSN: 1878-1462 (O), 1569-190X (P)] [https://doi.org/10.1016/j.simpat.2024.103037].
[19] ANFIS computing and cost minimization of M/G/1/K fault-tolerant machining system with general startup under F-policy, Physica A: Statistical Mechanics and its Applications, Elsevier, 657, 130219, 2025. [Q-1] [ISSN: 1873-2119 (O), 0378-4371 (P)] [https://doi.org/10.1016/j.physa.2024.130219]
[18] Application of triple orbit single unreliable server retrial queue in the diagnostic center using fuzzy approach, Applied Soft Computing, Elsevier, 167 Part B, 112376, 2024. [Q-1] [ISSN: 1872-9681 (O), 1568-4946 (P)] [doi.org/10.1016/j.asoc.2024.112376].
[17] Modeling and optimization of an M/M/1/K/WV retrial queue with dual-phase service, customer's balking under F-policy, RAIRO - Operations Research, EDP Sciences France, 59, 2779 - 2803, 2025. [Q-2] [ISSN: 2804-7303] [doi.org/10.1051/ro/2024192].
[16] Performance analysis of M/G/1/N machining systems with breakdown, balking, imperfect recovery, and reboot, Journal of Testing and Evaluation, American Society for Testing and Materials (ASTM), 2024. [Q-3] (Accepted for publication).
[15] Social welfare maximization of tourist bus service system in the M/M/1 queue with strategic tourists , RAIRO - Operations Research, EDP Sciences France, 58, 3321–3335, 2024. [Q-2] [ISSN: 2804-7303] [doi.org/10.1051/ro/2024129]
[14] Cost optimization and machine learning-based prediction of waiting time for fault-tolerance machining system with general vacation and F-policy, Applied Soft Computing, Elsevier, 154, 111404, 2024. [Q-1] [ISSN: 1872-9681 (O), 1568-4946 (P)]
[13] Performance analysis and cost investigations for state-dependent single unreliable server finite queue under F-policy using GA and QNM, Journal of Computational and Applied Mathematics, Elsevier, 441, 115679, 2023. [Q-1] [ISSN: 1879-1778 (O), 0377-0427 (P)]
[12] Fuzzy Modelling and Cost Optimization for Machine Repair Problem with Retrial under Admission Control F - Policy and Feedback, Mathematics and Computers in Simulation, Elsevier, 211, 214–240, 2023. [doi: 10.1016/j.matcom.2023.03.036] [Q-1][ISSN: 1872-7166 (E), 0378-4754 (P)] .
[11] Fuzzy Modeling of Single Server Double Orbit Retrial Queue, Journal of Ambient Intelligence and Humanized Computing, Springer, 13, 4223–4234, 2022. [doi: 10.1007/s12652-022-03705-3] [Q-1][ISSN: 1868-5145 (E), 1868-5137 (P)] .
[10] Markovian Working Vacation Queue with Imperfect Service, Balking and Retrial, Journal of Ambient Intelligence and Humanized Computing, Springer, 13, 1907–1923, 2022. [Q-1] [https://doi.org/10.1007/s12652-021-02954-y][ISSN: 1868-5145 (E), 1868-5137 (P)] .
[9] Fuzzy Markovian Modeling of Machining System with Imperfect Coverage, Spare Provisioning and Reboot, Journal of Ambient Intelligence and Humanized Computing, Springer, 12, 7935–7947, 2021. [Q-1] [doi.org/10.1007/s12652-020-02523-9][ISSN: 1868-5145 (E), 1868-5137 (P)].
[8] Unreliable Single Server Double Orbit Retrial Queue with Balking, Proceedings of the National Academy of Sciences, India Section A: Physical Sciences, Springer, 91, 257-268, 2021, [Q-3] [doi.org/10.1007/s40010-020-00725-6][ISSN: 2250-1762 (E), 0369-8203 (P)] .
[7] Fuzzy Cost Optimization and Admission Control for Machine Interference Problem with General Retrial, Journal of Testing and Evaluation, American Society for Testing and Materials (ASTM), 48(6), 4488-4502, 2020. [Q-3][doi: 10.1520/JTE20180882][ISSN: 1945-7553 (E), 0090-3973 (P)].
[6] Cost Optimization and ANFIS Computing for Admission Control of M/M/1/K Queue with General Retrial Times and Discouragement, Applied Mathematics and Computation, Elsevier, 363, 124624, 2019. [Q-1][doi:10.1016/j.amc.2019.124624][ISSN: 0096-3003 ].
[5] FM/FM/1 Double Orbit Retrial Queue with Customers' Joining Strategy: A Parametric Nonlinear Programing Approach, Applied Mathematics and Computation, Elsevier, 362, 124542, 2019. [Q-1][doi.org/10.1016/j.amc.2019.06.056][ISSN: 0096-3003 ].
[4] Fuzzy Modeling and Harmony Search Optimization for Machining System with General Repair, Standby Support and Vacation, Applied Mathematics and Computation, Elsevier, 361, 858-873, 2019. [Q-1][doi.org/10.1016/j.amc.2019.05.053][ISSN: 0096-3003 ].
[3] Admission Control for Finite Capacity Queueing Model with General Retrial Times and State Dependent Rates, Journal of Industrial and Management Optimization, American Institute of Mathematical Sciences (AIMS), 16(6), 2625-2649, 2020. [Q-2] [doi: 10.3934/jimo.2019073][ISSN: 1553-166X (E), 1547-5816 (P)].
[2] State Dependent Queueing Models under Admission Control F-policy: A Survey, Journal of Ambient Intelligence and Humanized Computing, Springer, 3873–3891, 11, 2020. [Q-1][doi.org/10.1007/s12652-019-01638-y ] [ISSN: 1868-5145 (E), 1868-5137 (P)].
[1] Control F-policy for Fault Tolerance Machining System with General Retrial Attempts, National Academy Science Letters, Springer, 359-364, 40(5), 2017. [Q-2][doi.org/10.1007/s40009-017-0573-2][ISSN: 2250-1754 (E), 0250-541X (P)].
Publications in Scopus Indexed Journal
[4] Modeling and cost optimization for single unreliable server queue under admission control F-policy and balking, International Journal of Operational Research, Inderscience Publishers, 2025. [Q-4] [doi: 10.1504/IJOR.2025.10072977 ] (Accepted for publication).
[3] Application of ML and sine-cosine algorithm in single server Markov queue with customer discouragement, International Journal of Mathematics in Operational Research , Inderscience Publishers, 2024. [Q-3] (Accepted for publication).
[2] Cost investigations and performance modeling of a state-dependent M/M/1/K queue with working vacation and F-policy, International Journal of Operational Research, Inderscience Publishers, [doi: 10.1504/IJOR.2025.10070010] 2025. [Q-4] (Accepted for publication).
[1] Optimal Control F-policy for M/M/R/K Queue with an Additional Server and Balking, International Journal of Applied and Computational Mathematics, Springer, 5, 2019. [Q-1] [doi: 10.1007/s40819-019-0747-3][ISSN: 2199-5796 (E), 2349-5103 (P)].
Book Chapters
[5] Cost Optimization and ANFIS Computing for Single Server Double Orbit Retrial Queue using PSO, Role of Nature-Inspired Algorithms in Real-life Problems, Engineering Optimization: Methods and Applications (EOMA), Chapter 4, 65–93, 2025, Springer Singapore.
[4] Modeling and Cost Optimization for M/M/1/K Queue with Dual-Phase Service and Repair under Threshold Recovery, Optimization, Learning Algorithms and Applications, Chapter 18, 259–271, 2024, Springer-Verlag Book Series, Communications in Computer and Information Science (CCIS).
[3] Profit and Cost Optimization for Single-Server Markovian Retrial Queue with Server Breakdown, Customer Balking, and Feedback, Chapter 18, 177–187, 2024, Intelligent Computing and Optimization, LNNS Springer Nature Book Series (Switzerland): Indexed by SCOPUS,
[2] F-Policy for M/M/1/K Retrial Queueing Model with State-Dependent Rates, Performance Prediction and Analytics of Fuzzy, Reliability and Queuing Models, Chapter 9, 127-138, 2019, Springer, Singapore.
[1] Performance Modeling and ANFIS Computing for Finite Buffer Retrial Queue Under F-Policy, Proceedings of Sixth International Conference on Soft Computing for Problem Solving, Chapter 25, 248-258, 2017, Springer, Singapore.
Conference Proceedings
[1] Control F-policy for Markovian retrial queue with server breakdowns, 1st IEEE International Conference on Power Electronics, Intelligent Control and Energy Systems, 1-5, 2016.
>> Feel free to get in touch with me for research collaboration : ssanga@ma.iitr.ac.in